Earth Day 2019: When is Earth Day this year and what is theme of Earth Day 2019? EARTH DAY 2019 is just around the corner as concerned environmentalists around the globe prepare for the annual awareness campaign – but when is Earth Day 2019 and what is this year’s theme? Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Yellowstone volcano eruption: How overdue is a Yellowstone eruption? Is caldera active?Albert Einstein BOMBSHELL: How scientist's claim of FATAL FLAW in theory was IGNOREDTime Travel BREAKTHROUGH: Physicists REVERSE time using Quantum ComputerHow Pi Made Us ModernSpace news: Astronomers discover 83 SUPERMASSIVE black holes from early days of universeBarbara Low, Whose Research Boosted Antibiotics, Dies at 98